A study of some atomic properties for He-like selected ions. Baghdad Science Journal, Iraq, Baghdad, v. 4, n. 2, p. 301–304, 2007. DOI: 10.21123/bsj.2007.4.2.301-304. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/801.. Acesso em: 23 jul. 2024.